Re: [PATCH 0/4] perf: Intel uncore pmu counting support

From: Peter Zijlstra
Date: Thu Jun 30 2011 - 10:12:36 EST


On Thu, 2011-06-30 at 14:10 +0200, Stephane Eranian wrote:
> > This series are cut to support uncore pmu counting only.
> > So uncore interrupt handling is not needed.
> >
> You're making the assumption that when counting, you can never construct
> a measurement that will cause a counter to overflow the 39 bits. If not, then
> you need interrupt handling even when counting.
>

Also, I'm missing the stuff that maps everything to one active cpu in
the uncore mask. IIRC your previous postings had stuff like that.
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